Finding the Fourth Proportional to 213,175.40, 294,182.99 and 117,682.88
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Solution
The fourth proportional to 213,175.40, 294,182.99 and 117,682.88 is: 162,402.89
Step by Step Solution
- Step 1: Write the proportion equation
213,175.40 : 294,182.99 = 117,682.88 : x - Step 2: Convert to fraction form
213,175.40/294,182.99 = 117,682.88/x - Step 3: Cross multiply
213,175.40x = 294,182.99 × 117,682.88 - Step 4: Simplify right side
213,175.40x = 34,620,299,450.88 - Step 5: Solve for x
x = 34,620,299,450.88/213,175.40 - Step 6: Final answer
x = 162,402.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.